Answers by Metzelder
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Answers by Metzelder

Answers by Metzelder
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Calculate the standard enthalpy change for the reaction 2Al(s) + Fe₂O3(s) → 2Fe(s) + Al₂O3(s) given that 2Al(s) + ¾O₂(g) → Al₂O3(s) AH = -1669.8 kJ/mol 2Fe(s) + O₂(g) → Fe₂O3(s) AHxn = -822.2 kJ/mol
answered Dec 25, 2023
3 votes
156k views
(1) The nation's energy use is largely dependent on fossil fuels. (2) These fuels are nonrenewable resources, and they cause pollution. (3) We cannot continue our reliance on a fuel that will eventually
answered Jun 27, 2023
1 vote
54.9k views
Write the complete chemical symbol for the ion with 82 protons and 80 electrons
answered May 7, 2023
3 votes
93.9k views
Equation for horizontal line at 0,-7
answered Dec 20, 2022
7 votes
23.0k views
Under which of the following circumstances would a DNA microarray be useful? Multiple Choice It would enable a researcher to determine the differences in gene expression between cell types. Researchers
answered Dec 16, 2022
1 vote
106k views
The purpose of China creating Special Economic Zones was to increase trade with foreign countries. improve agricultural harvests. spread communist teachings. keep foreign workers out of the country.
answered Dec 3, 2022
5 votes
31.4k views
Plz help a smol bean out (no links btw)
answered Nov 2, 2022
1 vote
146k views
A flight with 104 passengers takes off at 1:15. The plane travels 560 miles in 1 hour. At that speed, how far will the plane travel in 3 hours? What information is needed to answer the question?​
answered Oct 27, 2022
4 votes
55.7k views
The Reformation began with the posting of the 95 Theses by which of these people? OA. John Calvin OB. Martin Luther OC. Charles V OD. Augustine Wittenberg
answered Oct 10, 2022
5 votes
51.6k views
Arizona Tea is marketed by Vultaggio & Sons. Vultaggio & Sons took a basic drink and put it into unusual bottles with elaborate designs. The wide-mouthed, long-necked bottles are now considered to be trendsetters
answered Jun 24, 2022
2 votes
169k views
Can someone help me with this
answered Jun 22, 2022
6 votes
145k views
1) What equation is used in the function table below?
answered Jun 21, 2022
4 votes
45.6k views
Which set of numbers does not include -8? Whole numbers Integers Rational numbers Opposites of whole numbers ​
answered Mar 29, 2022
5 votes
75.8k views
Please help me with this question
answered Mar 11, 2022
4 votes
150k views
PLEASE HELPP!!!!!!!!!!​
answered Feb 25, 2022
5 votes
38.3k views
What is the common difference between successive terms in the sequence? 2, 8, 14, 20, 26, ... -6 -4 ООО 4 о в
answered Feb 8, 2022
3 votes
107k views
Which of the following sentences is punctuated correctly? A. The geyser sprayed a mist of warm, glittering water into the desert air. B. Throughout the year, the geyser draws large, tour groups to its
answered Nov 13, 2021
5 votes
187k views
Hurry! it's due in less than an hour, 20 points Read or listen to President Kennedy’s speech to the nation at the John F. Kennedy Presidential Library and Museum, “Address to the Nation on the Soviet Arms
answered Sep 28, 2021
3 votes
104k views
Which element would you expect to be less metallic? (a) Cs or Rn (b) Sn or Te (c) Se or Ge
answered Jul 17, 2021
2 votes
141k views
found in Article I, Section 8. It allows Congress "To make all Laws which shall be necessary and proper for carrying into Execution the foregoing powers..."
answered May 28, 2021
3 votes
11.7k views
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